57 lines
1.6 KiB
HTML
57 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<title>
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View transition promise reactions in incoming page should resolve before
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the rendering continues (rAF, style/layout etc)
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</title>
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<link rel="help" href="https://drafts.csswg.org/css-view-transitions-2/">
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script>
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const params = new URLSearchParams(location.search);
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switch (params.get("mode") || "test") {
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case "test":
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promise_test(async t => {
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const sequence = await new Promise(resolve => {
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window.test_finished = s => { resolve(s) };
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const popup = window.open("?mode=old");
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t.add_cleanup(() => popup.close());
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});
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assert_array_equals(sequence, ["pagereveal", "updateCallbackDone", "ready", "rAF", "rAF-microtask", "finished"]);
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});
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break;
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case "old":
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onload = () => requestAnimationFrame(() => requestAnimationFrame(() => {
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location.replace('?mode=new');
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}));
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break;
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case "new":
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const sequence = [];
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requestAnimationFrame(() => {
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sequence.push("rAF");
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Promise.resolve().then(() => {
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sequence.push("rAF-microtask");
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});
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});
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addEventListener('pagereveal', event => {
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sequence.push("pagereveal");
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event.viewTransition.ready.then(() => {
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sequence.push("ready");
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});
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event.viewTransition.updateCallbackDone.then(() => {
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sequence.push("updateCallbackDone");
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});
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event.viewTransition.finished.then(() => {
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sequence.push("finished");
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window.opener.test_finished(sequence);
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});
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});
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}
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</script>
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<style>
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@view-transition {
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navigation: auto;
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}
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</style>
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